Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2022   07:06:27   (  -0.02, -75.20) (   0.57, -77.76)  292.11                80
 12/05/2022   06:50:48   (  -0.01, -75.20) (  -0.46, -73.33)  214.23                80
 12/06/2022   19:10:44   (   0.01, -75.21) (  -0.79, -78.76)  405.30                80
 12/07/2022   18:55:05   (   0.01, -75.22) (   0.24, -74.33)  101.39                80
 12/10/2022   06:56:32   (  -0.00, -75.24) (   0.02, -75.30)    6.79                80
 12/12/2022   19:00:49   (   0.00, -75.27) (  -0.23, -76.30)  118.43                80
 12/13/2022   18:45:09   (  -0.00, -75.28) (   0.75, -71.86)  388.98                80
 12/15/2022   07:07:36   (  -0.00, -75.31) (   0.47, -77.27)  224.37                80
 12/16/2022   06:46:37   (  -0.00, -75.32) (  -0.57, -72.84)  283.36                80
 12/17/2022   19:09:13   (   0.00, -75.35) (  -0.67, -78.28)  334.17                80